CN111941299A - Method for manufacturing ceramic grinding teeth - Google Patents
Method for manufacturing ceramic grinding teeth Download PDFInfo
- Publication number
- CN111941299A CN111941299A CN202010741382.9A CN202010741382A CN111941299A CN 111941299 A CN111941299 A CN 111941299A CN 202010741382 A CN202010741382 A CN 202010741382A CN 111941299 A CN111941299 A CN 111941299A
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- China
- Prior art keywords
- ceramic grinding
- manufacturing
- ceramic
- grinding tooth
- tooth according
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/009—Tools not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mining & Mineral Resources (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to the technical field of nonmetallic mineral products, and particularly relates to a manufacturing method of a ceramic grinding tooth. Which comprises the following steps: mixing the grinding material and the ceramic bond powder in a mixer for the first time, adding granulation glue, mixing for the second time, sieving, drying at constant temperature, filling a die, preparing an annular blank by compression molding, sintering the annular blank to obtain a ceramic grinding ring, and cutting to obtain the ceramic grinding tooth. The manufacturing method can improve the distribution uniformity of the abrasive materials in the ceramic grinding tool, improve the performance consistency and stability of the grinding teeth, improve the production efficiency of the ceramic grinding teeth, and is suitable for popularization and application.
Description
Technical Field
The invention belongs to the technical field of nonmetallic mineral products, and particularly relates to a manufacturing method of a ceramic grinding tooth.
Background
In the application of high-end ceramic grinding tool products, high requirements are provided for the uniformity of the distribution of the grinding materials in the ceramic grinding tool and the consistency and stability of the performance of the ceramic grinding teeth. The client requires sharp grinding for the ceramic grinding tool, the performance is stable in the using process, and the consistency of products among batches is good. In addition, the grinding tool has the requirements of improving efficiency and reducing cost in the manufacturing process.
Disclosure of Invention
The invention aims to provide a method for manufacturing a ceramic grinding tooth, which can improve the uniformity of the distribution of grinding materials in a ceramic grinding tool, the consistency and the stability of the performance of the grinding tooth and the production efficiency of the ceramic grinding tooth.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the manufacturing method of the ceramic grinding tooth comprises the following steps:
step 3, mixing the materials in the step 2 in a mixer for the second time to obtain a mixture B;
step 4, sieving the mixture B mixed in the step 3 to obtain a raw material C;
step 5, placing the raw material C obtained by sieving in the step 4 in a drying oven for drying at constant temperature;
step 6, weighing a part of dried raw material C, putting the weighed raw material C into an annular mold, uniformly spreading the raw material C, and assembling the mold;
step 7, placing the die on a hot-pressing forming machine, heating and pressurizing for a certain time, and demoulding to gently take out the annular blank D;
step 8, placing the annular blank D in a muffle furnace for sintering to obtain a ceramic grinding ring E;
step 9, sealing the sintered ceramic grinding ring E on a carrying disc by using wax, and cutting the ceramic grinding ring E into standard ceramic grinding teeth F on a cutting machine by using a diamond metal cutting knife;
and step 10, heating and melting the wax on the carrying plate, and lightly taking down the ceramic grinding teeth F to finish the manufacture for later use.
In the step 1, the abrasive is one or more of diamond powder, cubic boron nitride powder, silicon carbide powder and alumina powder in any proportion.
The granulation glue in the step 2 is prepared by dissolving a granulation agent in a solvent, wherein the granulation agent is an organic high molecular compound with common models of WS-120, GB600 and the like, and the solvent is isopropanol or ethylene glycol.
And 4, screening by using a screen mesh of 20-150 meshes in the screening treatment in the step 4.
And 5, drying at constant temperature in the step 5 at 25-90 ℃.
And 6, the annular die is made of die steel, and an annular blank can be formed.
In the step 8, the muffle furnace sintering temperature is 500-800 ℃.
The standard ceramic grinding tooth F in step 9 is a cuboid grinding tooth cut in the middle area of the ceramic grinding ring E. The middle area is a position which is more than 3mm away from the inner circle and the outer circle of the ceramic grinding ring E.
Due to the adoption of the technical scheme, the invention has at least the following beneficial effects:
(1) after being mixed, the grinding material and the ceramic bond powder are more uniformly distributed through granulation;
(2) by forming in a group of annular dies, the material spreading is more uniform, and uneven material spreading caused by forming of single cuboid grinding teeth and quality difference among teeth are avoided;
(3) after the grinding ring is fired, only the material in the middle area of the grinding ring is cut into grinding teeth, so that the problem of uneven material of the inner edge and the outer edge of the grinding ring is avoided;
(4) the grinding teeth manufactured by the cutting method have consistent quality and high manufacturing efficiency;
(5) the manufacturing method is simple and effective, and the ceramic grinding tool manufactured by the method has uniform abrasive particle distribution and good product consistency.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a process flow diagram of a method of making the present invention;
FIG. 2 is a schematic structural view of a ceramic grinding ring formed in the manufacturing method of the present invention;
FIG. 3 is a schematic view of a ceramic grinding tooth cut from a ceramic grinding ring.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
Examples
Referring to fig. 1 to 3, a method for manufacturing a ceramic grinding tooth includes the steps of:
step 3, mixing the materials obtained in the step 2 in a mixer for 10min for the second time to obtain a mixture B;
step 4, sieving the mixture B mixed in the step 3 by a 120-mesh sieve to obtain a raw material C;
step 5, drying the raw material C obtained by sieving in the step 4 in a constant-temperature drying oven at 60 ℃ for 10 min;
step 6, weighing 50g of dried raw material C, putting the raw material C into a phi 80 phi 28 phi 8 annular die, uniformly spreading and flattening the raw material, and assembling the die;
step 7, placing the die on a hot-pressing forming machine, setting the temperature at 150 ℃, keeping the temperature for 30min at the pressure of 8T, demolding, and lightly taking out the annular blank D from the die;
step 8, placing the annular blank D in a muffle furnace for sintering, setting the temperature to be 700 ℃, and preserving the heat for 5 hours to obtain a ceramic grinding ring E1;
step 9, sealing the sintered phi 80 phi 28 phi 8 ceramic grinding ring E1 on a carrying disc of a cutting machine by using wax, wherein the model of the cutting machine is DAD321, and cutting the ceramic grinding ring E1 into a plurality of 10 phi 8 ceramic grinding teeth F2 by using a metal cutting knife, wherein the cutting position of the grinding teeth is more than 3mm away from the inner circle and the outer circle of the grinding ring;
and step 10, heating the object carrying plate to 70 degrees to melt the wax on the object carrying plate, and lightly taking down the ceramic grinding teeth F2 to finish the manufacture for later use.
In conclusion, the abrasive is more uniformly distributed by mixing the abrasive and the ceramic bond powder and then granulating; by forming in a group of annular dies, the material spreading is more uniform, and uneven material spreading caused by forming of single cuboid grinding teeth and quality difference among teeth are avoided; after the grinding ring is fired, only the material in the middle area of the grinding ring is cut into grinding teeth, so that the problem of uneven material of the inner edge and the outer edge of the grinding ring is avoided; the grinding teeth manufactured by the cutting method have consistent quality and high manufacturing efficiency. The manufacturing method is simple and effective, and the ceramic grinding tool manufactured by the method has uniform abrasive particle distribution and good product consistency.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention shall fall within the protection scope of the invention.
Claims (9)
1. The manufacturing method of the ceramic grinding tooth is characterized by comprising the following steps of:
step 1, mixing abrasive and ceramic bond powder in a mixer for the first time to obtain a mixture A;
step 2, adding granulation glue into the mixture A mixed in the step 1;
step 3, mixing the materials in the step 2 in a mixer for the second time to obtain a mixture B;
step 4, sieving the mixture B mixed in the step 3 to obtain a raw material C;
step 5, placing the raw material C obtained by sieving in the step 4 in a drying oven for drying at constant temperature;
step 6, weighing a part of dried raw material C, putting the weighed raw material C into an annular mold, uniformly spreading the raw material C, and assembling the mold;
step 7, placing the die on a hot-pressing forming machine, heating and pressurizing for a certain time, and demoulding to gently take out the annular blank D;
step 8, placing the annular blank D in a muffle furnace for sintering to obtain a ceramic grinding ring E;
step 9, sealing the sintered ceramic grinding ring E on a carrying disc by using wax, and cutting the ceramic grinding ring E into standard ceramic grinding teeth F on a cutting machine by using a diamond metal cutting knife;
and step 10, heating and melting the wax on the carrying plate, and lightly taking down the ceramic grinding teeth F to finish the manufacture for later use.
2. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: in the step 1, the abrasive is one or more of diamond powder, cubic boron nitride powder, silicon carbide powder and alumina powder in any proportion.
3. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: the granulation glue in the step 2 is prepared by dissolving a granulation agent in a solvent.
4. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: and 4, screening by using a screen mesh of 20-150 meshes in the screening treatment in the step 4.
5. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: and 5, drying at constant temperature in the step 5 at 25-90 ℃.
6. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: and 6, the annular die is made of die steel, and an annular blank can be formed.
7. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: in the step 8, the muffle furnace sintering temperature is 500-800 ℃.
8. The method of manufacturing a ceramic grinding tooth according to claim 1, wherein: the standard ceramic grinding tooth F in step 9 is a cuboid grinding tooth cut in the middle area of the ceramic grinding ring E.
9. The method of manufacturing a ceramic grinding tooth according to claim 8, wherein: the middle area is a position which is more than 3mm away from the inner circle and the outer circle of the ceramic grinding ring E.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741382.9A CN111941299A (en) | 2020-07-29 | 2020-07-29 | Method for manufacturing ceramic grinding teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741382.9A CN111941299A (en) | 2020-07-29 | 2020-07-29 | Method for manufacturing ceramic grinding teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111941299A true CN111941299A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010741382.9A Pending CN111941299A (en) | 2020-07-29 | 2020-07-29 | Method for manufacturing ceramic grinding teeth |
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| CN (1) | CN111941299A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101288868A (en) * | 2007-03-30 | 2008-10-22 | 利德株式会社 | Removal tool of cementation wax and removal method of cementation wax using the said tool |
| CN101758443A (en) * | 2009-10-30 | 2010-06-30 | 西安泽豪实业有限责任公司 | Prescription and production process of diamond ultrathin slice for ceramic substrate cutting |
| CN102172900A (en) * | 2010-12-15 | 2011-09-07 | 安泰科技股份有限公司 | Method for manufacturing ballastless plate grinding wheel |
| US20130081334A1 (en) * | 2011-09-29 | 2013-04-04 | Marc Linh Hoang | Bonded abrasives formed by uniaxial hot pressing |
| CN103770034A (en) * | 2013-12-31 | 2014-05-07 | 郑州磨料磨具磨削研究所有限公司 | Efficient manufacturing technology of abrasive material layers of ceramic bonding agent ultra-hard material grinding wheel |
| CN105773449A (en) * | 2016-05-22 | 2016-07-20 | 陈庆军 | Manufacturing method of small-particle size large-thickness ceramic bond grinding wheel |
| CN110340347A (en) * | 2019-07-15 | 2019-10-18 | 石家庄海川工具有限公司 | Add the diamond wire saw bead of cubic boron nitride and the preparation process of diamond rope saw |
-
2020
- 2020-07-29 CN CN202010741382.9A patent/CN111941299A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101288868A (en) * | 2007-03-30 | 2008-10-22 | 利德株式会社 | Removal tool of cementation wax and removal method of cementation wax using the said tool |
| CN101758443A (en) * | 2009-10-30 | 2010-06-30 | 西安泽豪实业有限责任公司 | Prescription and production process of diamond ultrathin slice for ceramic substrate cutting |
| CN102172900A (en) * | 2010-12-15 | 2011-09-07 | 安泰科技股份有限公司 | Method for manufacturing ballastless plate grinding wheel |
| US20130081334A1 (en) * | 2011-09-29 | 2013-04-04 | Marc Linh Hoang | Bonded abrasives formed by uniaxial hot pressing |
| CN103770034A (en) * | 2013-12-31 | 2014-05-07 | 郑州磨料磨具磨削研究所有限公司 | Efficient manufacturing technology of abrasive material layers of ceramic bonding agent ultra-hard material grinding wheel |
| CN105773449A (en) * | 2016-05-22 | 2016-07-20 | 陈庆军 | Manufacturing method of small-particle size large-thickness ceramic bond grinding wheel |
| CN110340347A (en) * | 2019-07-15 | 2019-10-18 | 石家庄海川工具有限公司 | Add the diamond wire saw bead of cubic boron nitride and the preparation process of diamond rope saw |
Non-Patent Citations (1)
| Title |
|---|
| 姜荣超等: "进一步提高我国金刚石工具质量的有效途径", 《金刚石与磨料磨具工程》 * |
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Application publication date: 20201117 |
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